Rental Car major companies have stations in each terminal at the airports, these are located in arrivals, they also offer free shuttle service to places to pick up the car.
Dollar Rental Car JFK International Airport – Jamaica, NY FEDERAL CIRCLE BLDF. 312 | JAMAICA, NY 11430 866-434-2226
Dollar Rental Car La Guardia Airport 22-61 94TH STREET | EAST ELMHURST, NY 11369 866-434-2226
Dollar Rental Car NEWARK INTERNATIONAL AIRPORT NEWARK, NJ 07114 866-434-2226.
Try renting the vehicle online, before arriving at the airport, this way you could get a discount on rental prices, be sure to use a credit card and no debit to avoid inconvenience when you are giving back the car.